Observations with the Hubble Space Telescope revealed a large amount of dense hot gas moving outwards through Betelgeuse’s extended atmosphere. This gas might have cooled and formed a dust cloud that partially blocked the star's light as seen from Earth, earlier this year.

NASA's 2nd planet-hunter, TESS, has spent 2 years surveying the sky for exoplanets orbiting distant stars. It has found over 2,000 exoplanets so far. TESS now moves into its extended mission phase.

Have you caught any Perseid meteors? If so, share your photos with us! If your skies have been cloudy, enjoy these great meteor photos from EarthSky friends around the world.

The mysterious bright spots on Ceres caused a sensation when the Dawn spacecraft first spied them in 2015. Now, they're known to be salt deposits from a recent or ongoing percolation of briny water from a large reservoir in Ceres' interior.

Recent reports of dramatic declines in insect populations have sparked concern about an 'insect apocalypse.' But a new analysis of data from sites across North America suggests the case isn't proven.

First sunrise in 4 months at Concordia Research Station in Antarctica, about 1,000 miles (1,600 km) from the geographic south pole.

Enjoy an eyeful of the moon and Venus as they meet up in the morning sky in mid-August 2020!

This distant galaxy - SPT0418-47 - surprised astronomers by being organized enough to have a spinning disk and a galactic bulge, early in the history of our universe.

The new damage to Arecibo, caused by the heavy cable, happened while repairs from 2017's Hurricane Maria were still ongoing.

Following an active 2019 season, fires in Siberia in 2020 have again been abundant and widespread, and have produced abnormally large carbon emissions.